CVE-2021-31817
When configuring Octopus Server if it is configured with an external SQL database, on initial...
When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.
- Record
CVE-2021-31817- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
CVE List No score
When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.
- Record
CVE-2021-31817- Updated
- 2026-11-02
EUVDEUVD-2021-18693 No score
When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.
- Record
EUVD-2021-18693- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cg8q-mvmc-qr6h
When configuring Octopus Server if it is configured with an external SQL database, on initial...
When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.
- Record
GHSA-cg8q-mvmc-qr6h- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31817 is a high vulnerability (CVSS 7.5) in Octopus Server, published July 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.
References
advisories.octopus.com/adv/2021-06---Cleartext-Storage-of-Sensitive-Information-%28CVE-2021-31817%29.2121138201.html
nvd.nist.gov/vuln/detail/CVE-2021-31817
github.com/advisories/GHSA-cg8q-mvmc-qr6h